Fan.



J. D. JONES.

` FAN. APPucATloN min APR. 2a, 19u-4.

1,226,670. Patented May 22,1917

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Hoz-11u39 I UNI'LEDy f STATE-s PATENT OFFICE.

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wma wams, WASHINGTON, AssmNon or omi-HALF 'ro HENRY c. Bam, or WALLAwenn, WASHINGTON.

n FAN. I. /f'l Y 1,226,670. andamio of Letters raientrateniea hay sa,.af/91. r. Application med p1-i128, 191e. Serial No. 834,91.. i i lbinations, and arrangement of I hereinafter more yfully describe-fela1med, and illustrated inthe accompanying draw i To all whom 'it mayconcern:

Be it known that I, JOHN D. JONES, a citizen of the United States,residing at TWalla Walla, in the county of Walla Walla and State ofWashington, have Ainvented certain new and' useful Improvements AinFans, of which the following is a specification.

This invention relates to4 improvements in fans.4

The objects of the invention are, first, to provide a fan and its .hubwhich will by certain minor modifications, be applicable tofans ofvarious types; second, to provide a fan andhub which will beselflubricat ing, and of such construction that the customary-ballbearings can be disposed with, without experiencing any -diieulties,such as the heating of the bearing, wearing of 'the shaft, etc; third,the-provision of a fan and hubby means of which a fan can'beV rotatablysupported on ,a stationary or nonrotatable shaft; fourth, the rovisionof means integral 'with the hub o the fan for attaching the blades ofthe fan thereto and i. also of'means whereby the said fan can be rotated`independently ofthe shaft; and fifth, the provision' of a fan with itshub which will be comparatively simple and inexpensive to manufacture,reliable and eili-` .cient in use, and readily lapplicable to itssupporting shaft.v

4 With the aboveand other objects in view,

:the present invention resides in thenovel features of construction,formations, comarts to be in inwhich c fsi kire 1 is alongitudinal'sectmnal viewof abw'fan having my improved hub applied.creto; 2

Fi '2 is a similar view showing a different type of fan; j V Y Fig.` 3is a transverse sectional view, taken on the line Y- Y of Fig. 2; and

Fig. 4 is asimilar view, taken on X-Xof Fig. 1.V l Referring tothc'drawing by like characters of reference, throughout' the severalviews, and more. particularlyto Figs. 1 and 4, the numeral Si denotes ingeneral a blow fan, comprising a housing@ provided in its upper end withy l openings 7 through 'which passes a stationthereto, as shown at 20.

the line the oppositely disposed.v

vbeing larger than the other, so the an can be driven at different'rates of s eed. This hub 11. is provided with radial ri 18 which extendfrom the .clindricalbody 12 at suitable intervals an support the fanblades V19, which are united or otherwise secured A concentric bearingsleeve 21 is disposed within. the hub 11 and has its central bore inalinement with and equal in size to the 'bores of the sleeves 14 and 15,and receives the before-mentioned shaftV 8. The bearing sleeve 21' isheld rigid'withn the hub 11 by the spaced webs 22, formed integrally uon the ends of the said sleeve21 and cylin rieal body 1240i the hub 11.The ends of the sleeve 2l are spaced from the ends 13, Y

r 22, which is provided with a threaded-filling opening 26 disposedbetween the-ribs 18. Thisl opening 26 may,be closed by the threaded plug27. 'Y

It vvill thus be seen that oil from the passage 2.5 will Workout throughthe-packln s sleeve 21 and cylindrical body- 24 to the shaft 8 keepingthe latter as we l. l l

astheinner surfaces of the sleeves 14, 15

and 21, constantly lubricated, and the'large bearingy surfaces areproperly distributed nlongthe shaft.-

Figs. '2 and 3 illustrate myfan hub 11 applied'to a different typeoffan. To accom modale this form of hub, the shaft `8 is provided with acollar 28 which contacts with the standnrdQfl in which it is heldagainst rotation by th'lo-k nut 30. A collar 31 is secured to theopposite end of the shaft 8 and is'held against movement thereon by theset screws 32. This collar 31 preventsthe.-

jzo

Aso

displacement of the hub 11 from the said shaft 8. 'l

The pulleys 16v and 17, shown in Fig. 1, are also dispensed with and adrive pulley 33 is formed directly upon said hub 11 while an attachingflange 34 is formed thereon to` which is bolted a casting 35V which fitson the sleeve 15 and supports the fan blades 36. The hub 1l in this formof fan is similar to that described in Fi s.' l. and 4, and furl therdescription thereo'. is deemed unnecessary as the same characters ofreference will apply.

From the foregoing 1tI4 will be apparent that a hub for fans is providedwhich will fulfil all of the necessary requirements ofsuch a device inthat a larger bearing surface is provided by the inner sleeve 21 andouter sleeves 14 and 15 for carryin the Weight of the rapidly rotatingfan anr said sleeves are constantly and uniformly supplied with acopious supply of lubricant at all times, and under all conditions ofservice 4of the fan.

centric sleeve 2170i the hub. a firm support is provided for the sleeve21l and the ends of said sleeve 21- are prevented from turning up so asto reduce the contacting surface of said sleeve 21 with shaft 8, anddestroy the large bearing on the shaftfor said hub of the fan, asprovided in the presentinvent-ion.

Furthermore by disposing the webs at the outer ends of the sleeve 21 thehollow hub is readily cast Without producing any such defects as blowholes, and insures a uniform prevents crachev 1. A fan comprising afixed `shaft,iigliol low hub easing having an outer sl'ee've at each ofits ends and an lnnersleeye rotatable upon said shaft, a packing chamberWithin the casing surrounding and o en to the shaft and adjacent4 toeach of sai end sleeves, a lubricant chamber in said Casin surroundingthe inner sleeve between tie -packin chambers and communicatingWith'each o said packing chambers, whereby said lubricant can feed tothe packing to lubrieate the shaft and sleeves, fan blades carried bysaid hub and means for rotatin said hub.

2. A fan comprising a xed shaft, a hub Casin rotatable thereon,meansrfor rotating said ub upon the shaft, an outer sleeve formed uponeach of the endsof the casing and engaging the shaft, an inner sleevewith in the'casing and engaging the shaft, said inner sleeve beingspaced from, the inner ends of the outer sleeves, webs connecting theends of the inner sleeve with. the interior 'of the hub casing andforming a continuous circular oil passage surrounding the sha-ft betweensaid inner sleeve and inner side of the easing and webs, packingsdisposed between the inner ends of the outer sleeves and Webs andengaging the shaft, whereby the oil or v the like will be fed from theoil passage through the packings to the shaft between the inner andouter sleeves', said hub casing having 'an opening in communication withj the oil passage, and aclosur'e for said opensignature l

